NIAGARA FALLS NIAGARA FALLS , ONTARIO - January 23 - .A seagull glides over the Niagara River in Niagara Falls on January 23, 2016. A 32 percent plunge in Canada’s currency from its peak in 2011 is spurring an influx in visitors to the border town from America.

CANADA-FORESTFIRES Fort McMurray, Canada - May 6, 201 6- A group trying to rescue animals from Fort McMurray wait at road block on Highway 63 near Fort McMurray, Alberta on May 6, 2016 as smoke billows into the sky from raging forest fires.

CANADA A freshly minted steel slab is testing by scarfing a thin layer off to check for cracks in the slab at Stelco's plant in Nanticoke, Ontario on November 14, 2017. Photographer: Cole Burston/Bloomberg

CANADA-VEIL Protestors wait for a subway train, with face coverings on in protest of Bill 62 in Montreal, Quebec on October 22, 2017. (Cole Burston/For The New York Times)

Science educator Bill Nye poses for a portrait in a Toronto hotel on May 2, 2017.

CANADA Justin Trudeau, Canada's prime minister, waves goodbye at the end of a town hall event in Bellevile, Ontario, Canada, on Thursday, Jan. 12, 2017.
Trudeau confirmed that his senior advisers have met with U.S. President-elect Donald Trump's officials. Photographer: Cole
Burston/Bloomberg

Raptors Fans TORONTO, ON: MAY 19, 2016 -- Toronto Raptors fans watch a live broadcast of Game 2 of the NBA Eastern Conference Finals against the Cleveland Cavaliers from Jurassic Park, outside of the ACC on May 19, 2016. (Cole Burston for National Post)

CANADA-FORESTFIRES May 4, 2016, Wood Buffalo, Canada - A normally very busy highway leading trucks to and from Fort McMurray is deserted as a plume of smoke hangs in the air as forest fires rage on in the distance in Fort McMurray, Alberta on May 4, 2016..

Condos 20170425 The CN Tower can be seen behind condo's in Toronto's Liberty Village community in Toronto, Ontario on Tuesday, April 25, 2017. THE CANADIAN PRESS/Cole Burston

TORONTO, ON - October 2, 2017 - Polaris Prize winning musician Lido Pimienta photographed in her now empty, but soon to be art studio in Toronto on October 2, 2017.

30207043A Bob Badger, University of Saskatchewan's First Nations and Metis cultural co-ordinator sets up a teepee ahead of the graduation powwow on campus in Saskatoon on May 30, 2017. (Cole Burston/For The New York Times)